Table 1. Baseline Patient Characteristics.
Variable | Number (%) |
Median age | 63 (range 54–83) |
50–69 | 16 (64%) |
≥70 | 9 (36%) |
Sex | |
Male | 18 (72%) |
Female | 7 (28%) |
ECOG performance status | |
0 | 4 (16%) |
1 | 13 (52%) |
2 | 8 (32%) |
Previous chemotherapy | |
No | 12 (48%) |
Yes | 13 (52%) |
Prior RT | |
No | 15 (60%) |
Yes | 10 (40%) |
Number of metastases | |
1 | 13 (52%) |
2 | 5 (20%) |
≥3 | 7 (28%) |
Largest tumor size | |
≤3 cm | 15 (60%) |
>3 cm | 10 (40%) |
Number of involved organs | |
1 | 20 (80%) |
≥ 2 | 5 (20%) |
Treatment site | 49 total tumors |
Bone | 21 (43%) |
Lung | 14 (29%) |
Lymph node | 8 (16%) |
Visceral (adrenal, thyroid, inferior vena cava, chest wall) | 6 (12%) |
Tumor type | |
Head and neck squamous cell carcinoma | 4 (16%) |
Hepatocellular carcinoma | 4 (16%) |
Non-small cell lung carcinoma | 4 (16%) |
Renal cell carcinoma | 4 (16%) |
Prostate adenocarcinoma | 2 (8%) |
Colorectal adenocarcinoma | 2 (8%) |
Pancreatic adenocarcinoma | 1 (4%) |
Melanoma | 1 (4%) |
Other (sarcoma, breast, skin squamous cell, parotid, thyroid, small cell lung) | 3 (12%) |